Would be stars with boats but who are they?

Pictured here are unidentified contestants or a group on boats in a harbour circa 1985. This photograph was possibly taken for RTÉ Television's 'Screen Test'. They could be a group or individual contestants.

Can you help to identify them?
We are looking for your help in identifying the group, the individuals and the location?

'Screen Test' was a RTÉ Television talent show which ran from 1985 to 1987. The programme was hosted by Mike Murphy.